CaK 090714

The sun imaged in CaK, a spectral band 2.2 angstroms wide, centered at 393.37nm. Another image with the Coronado CaK telescope can be seen here.

September 7, 2014/ captured with 90mm Coronado CaK telescope used courtesy Dennis Zywiczynski, PGR Grasshopper Express 6 megapixel camera

© Alan Friedman | all rights reserved